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2 years ago

11

In this lab, you observed how different factors such as velocity, gradient, and ____ , or amount of water in a stream, affect th

e rate of ___, the transport of materials from one area to another by water.

2 answers:

Elina [12.6K]2 years ago

8 0

Answer:

volume and erosion

Explanation:

egoroff_w [7]2 years ago

7 0

Answer:

volume and erosion

Explanation:

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The wise and careful use of energy resources is calles

soldier1979 [14.2K]

The wise and careful use of energy is called CONSERVATION

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3 years ago

Read 2 more answers

1 question 20points<br> How is frequency related to the sound we here

pishuonlain [190]

Frequency is the vibration of noise and the vibration determines the pitch, which we depend on to be a pitch or frequency we can hear. If it's too high or too low our ears can't hear it

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2 years ago

The electric motor of a model train accelerates the train from rest to 0.685 m/s in 21.5 ms. The total mass of the train is 875

Natali [406]

Answer:

P=9.58 W

Explanation:

According to Newton's second law, and assuming friction force as zero:

$F_m=m.a\\F_m=0.875kg*a$

The acceleration is given by:

$a=\frac{\Delta v}{t}\\a=\frac{0.685m/s}{21.5*10^{-3}s}\\\\a=31.9m/s^2$

So the force exerted by the motor is:

$F_m=0.875kg*31.9m/s^2\\F_m=27.9N$

The work done by the motor is given by:

$W_m=F_m*d\\\\d=\frac{1}{2}*a*t^2\\d=\frac{1}{2}*31.9m/s^2*(21.5*10^{-3}s)^2\\\\d=7.37*10^{-3}m$

$W_m=27.9N*7.37*10^{-3}m\\W_m=0.206J$

And finally, the power is given by:

$P=\frac{W_m}{t}\\P=\frac{0.206J}{21.5*10^{-3}s}\\\\P=9.58W$

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3 years ago

obesity occurs due to (a) overeating of carbohydrates and fats(b) not eating enough carbohydrates and fats (c) overeating of vit

aniked [119]

Answer:

B for BIG

Explanation:

carbs and fats is energy, if not being use or burned off, it'll be becomes body fat.

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3 years ago

What type of tide occurs when the sun, moon, and earth form a right triangle in space?

stiks02 [169]

Neap tide is your answer

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3 years ago